It should be OK John. I've sprayed the TS-13 over Testors One Coat. Might be a good idea to do a spoon test just to make sure though. I actually once sprayed Tamiya paint over uncured Testors enamel in the hopes that it would crack and craze, but for some crazy reason, it came out slick as glass. Maybe I should have hoped that it wouldn't. Then, it would have cracked and crazed like all get out.

spoon test. spoon test. spoon test. i have learned that spoon test are the greatest thing ever. if i have a new clear i will put down paint some copy right decals off the sheet and spray the clear to see if it jives. the few seconds thes steps take may save a set of decals or a great paint job